JSI Tip 5719. When you install Windows XP SP1, you receive 'The Product Key used to install Windows is invalid'?

The Product Key used to install Windows is invalid. Please contact your system administrator or retailer immediately to obtain a valid Product Key. You may also contact Microsoft Corporation's Anti-Piracy Team by emailing piracy@microsoft.com if you think you have purchased pirated Microsoft software. Please be assured that any personal information you send to the Microsoft Anti-Piracy Team will be kept in strict confidence.

If the key that you used has been blocked by Microsoft, you will receive this error.